September weather forecastSointula, Canada
September
Weather in September
September, the first month of the autumn in Sointula, is also an enjoyable month, with an average temperature fluctuating between 16.5°C (61.7°F) and 8.3°C (46.9°F).Temperature
Sointula starts September with an average high-temperature of a still enjoyable 16.5°C (61.7°F), a minor shift from August's 19.1°C (66.4°F). Sointula records an average nighttime low-temperature of 8.3°C (46.9°F) throughout September.Humidity
In Sointula, the average relative humidity in September is 85%.Rainfall
In September, in Sointula, the rain falls for 14.6 days. Throughout September, 107mm (4.21") of precipitation is accumulated. In Sointula, Canada, during the entire year, the rain falls for 203 days and collects up to 1442mm (56.77") of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Sointula is 12h and 36min.On the first day of the month, sunrise is at 6:43 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:07 pm PDT.
Sunshine
In September, the average sunshine in Sointula is 7.2h.UV index
In September, the average daily maximum UV index in Sointula is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 during September translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sointula, Canada
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is August (19.1°C).
The month with the lowest average high temperature is December (4.2°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is August (9.8°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in September
Sointula, Canada
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is July (1018.4mbar).
The months with the lowest atmospheric pressure are March and November (1013.3mbar).
Average wind speed in September
Sointula, Canada
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is January (11.7km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in September
Sointula, Canada
- Average humidity in September: 85%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is May (82%).
Average rainfall in September
Sointula, Canada
- Average rainfall in September: 107mm
The wettest month (with the highest rainfall) is January (223mm).
The driest month (with the least rainfall) is July (33mm).
Average rainfall days in September
Sointula, Canada
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is November (21.4 days).
The months with the least rainy days are July and August (10.7 days).
Average snowfall in September
Sointula, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is March (104mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Sointula, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sointula, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is August (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Sointula, Canada
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is July (19.7 days).
The month with the least sunshine days is November (7.5 days).
Average UV index in September
Sointula, Canada
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Sointula, Canada
- Average cloud cover in September: 52
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 49).
Average visibility in September
Sointula, Canada
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May, October, November and December (8km).
The months with the lowest visibility are June, July, August and September (7km).





